Tire tread structure and tire having the same

Abstract

The utility model provides a tire tread structure and a tire having the same. Among them, the tire tread structure has multiple longitudinal grooves, each of which extends along the circumference of the tire, and the multiple longitudinal grooves divide the tread into two shoulder pattern parts and an intermediate pattern part located between the two shoulder pattern parts; wherein at least two longitudinal grooves are arranged on both sides of the center plane S of the tire; a first recess is arranged on the intermediate pattern part, and the extension direction of the first recess is arranged at a first angle A1 with the width direction of the tire, and the first angle A1 satisfies: 0°≤A1<90°; a first sheet structure is arranged between the first recess and the longitudinal groove, and one end of the first sheet structure extends into the longitudinal groove, and the other end of the first sheet structure extends into the first recess. The utility model effectively solves the problem that the tires applied to CUV models in the prior art cannot simultaneously meet the vehicle's maneuverability requirements when driving in summer and the traction requirements when driving in winter.

Description

Technical Field

[0001] The utility model relates to the technical field of tires, and in particular to a tire tread structure and a tire having the same. Background Art

[0002] At present, as automobile manufacturers pay more and more attention to the fuel consumption performance of station wagons, they have gradually abandoned high-fuel-consumption sports station wagons and invested more product development efforts in CUV (Crossover Sport Utility Vehicle) models. In particular, vehicle manufacturers in the northern region have seen their CUV models occupy an increasing market share year by year, which has led to higher and higher comprehensive performance requirements for CUV tires.

[0003] However, the performance of tire products for CUV models in the prior art is mostly seasonally oriented, and cannot simultaneously meet the handling requirements of tires when driving in summer (i.e., there are more rainy seasons in summer, the road surface is slippery and easy to slip) and the traction requirements when driving in winter (i.e., there is often snow on the road surface in winter, which is easy to slip). Utility Model Content

[0004] The main purpose of the utility model is to provide a tire tread structure and a tire having the same, so as to solve the problem that the tires applied to CUV models in the prior art cannot simultaneously meet the vehicle's maneuverability requirements when driving in summer and the traction requirements when driving in winter.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a tire tread structure is provided, comprising: a plurality of longitudinal grooves, each of which extends along the circumference of the tire, and the plurality of longitudinal grooves are arranged at intervals along the width direction of the tire to separate the tread into two shoulder pattern portions and an intermediate pattern portion located between the two shoulder pattern portions; wherein at least two longitudinal grooves are arranged on both sides of the center plane S of the tire; a first recessed portion is arranged on the intermediate pattern portion, one end of the first recessed portion extends to the longitudinal groove located on one side of the intermediate pattern portion, and the other end of the first recessed portion has a preset distance from the longitudinal groove located on the other side of the intermediate pattern portion, and the extension direction of the first recessed portion is arranged at a first angle A1 with the width direction of the tire, and the first angle A1 satisfies: 0°≤A1<90°; a first sheet structure is arranged between the first recessed portion and the longitudinal groove, one end of the first sheet structure extends into the longitudinal groove, and the other end of the first sheet structure extends into the first recess.

[0006] Furthermore, there are multiple intermediate pattern portions, and the multiple intermediate pattern portions include: a center pattern portion, at least part of the center pattern portion coincides with the center plane S; a crown pattern portion, located between the center pattern portion and the shoulder pattern portion; wherein the tire tread structure also includes a first connecting groove, the first connecting groove is arranged on the crown pattern portion, so as to connect the longitudinal grooves located on both sides of the crown pattern portion, and the extension direction of the first connecting groove is arranged at a second angle A2 with the width direction of the tire, and the second angle A2 satisfies: 0°≤A2<90°; there are multiple first connecting grooves, and the multiple first connecting grooves are arranged at intervals along the circumferential direction of the tire to separate the crown pattern portion into multiple crown pattern blocks, and at least one crown pattern block is provided with a first recess and a first sheet structure.

[0007] Furthermore, the tire tread structure also includes a second sheet structure arranged in the crown pattern block, and both ends of the second sheet structure respectively extend into the longitudinal grooves located on both sides of the crown pattern block; wherein, there are multiple second sheet structures, and the multiple second sheet structures are arranged at intervals along the circumference of the tire, and the first sheet structure and the first recess are arranged between two adjacent second sheet structures.

[0008] Furthermore, the tire tread structure also includes: a second connecting groove, which is arranged on the central pattern portion, and the second connecting groove is used to connect the longitudinal grooves located on both sides of the central pattern portion, and the extension direction of the second connecting groove is set at a third angle A3 with the width direction of the tire, and the third angle A3 satisfies: 0°≤A3<90°; wherein, there are multiple second connecting grooves, and the multiple second connecting grooves are arranged at intervals along the circumference of the tire to separate the central pattern portion into multiple central pattern blocks; and / or, along the circumference of the tire, the end of the second connecting groove close to the crown pattern portion is staggered with the end of the first connecting groove close to the central pattern portion.

[0009] Furthermore, the tire tread structure also includes: a third sheet structure, which is arranged in the central pattern block, one end of the third sheet structure extends into the longitudinal groove located on one side of the central pattern block, and the other end of the third sheet structure has a preset distance from the longitudinal groove located on the other side of the central pattern block; wherein, there are multiple third sheet structures, and the multiple third sheet structures are arranged at intervals along the circumference of the tire, and in two adjacent third sheet structures, each third sheet structure extends into different longitudinal grooves.

[0010] Furthermore, the tire tread structure also includes: a third connecting groove, which is arranged on the shoulder pattern portion, one end of the third connecting groove extends to the longitudinal groove, and the other end of the third connecting groove extends to the shoulder of the tire, and the extension direction of the third connecting groove is set at a fourth angle A4 with the width direction of the tire, and the fourth angle A4 satisfies: 0°≤A4<90°; there are multiple third connecting grooves, and the multiple third connecting grooves are arranged at intervals along the circumference of the tire to separate the shoulder pattern portion into multiple shoulder pattern blocks; wherein, in the direction from the center plane S to the shoulder of the tire, the width of at least part of the third connecting grooves gradually increases; and / or, along the circumference of the tire, one end of the third connecting groove close to the crown pattern portion is staggered with one end of the first connecting groove close to the shoulder pattern portion.

[0011] Furthermore, the tire tread structure also includes: a fourth sheet structure, which is arranged in the shoulder pattern block; a fifth sheet structure, which is arranged in the shoulder pattern block, along the circumference of the tire, the fifth sheet structure is located on one side of the fourth sheet structure, and one end of the fifth sheet structure extends into the longitudinal groove; a first groove, which is arranged between the fourth sheet structure and the fifth sheet structure, one end of the fourth sheet structure extends into the first groove, the other end of the fourth sheet structure has a preset distance from the longitudinal groove, and one end of the fifth sheet structure away from the longitudinal groove extends into the first groove; and / or, a second recess, which is arranged between the fourth sheet structure and the longitudinal groove, one end of the second recess extends to the longitudinal groove; and / or, a third recess is arranged on the shoulder pattern block, and the third recess is located on the side of the first groove away from the longitudinal groove.

[0012] Furthermore, the tire tread structure also includes a protrusion, which is arranged in the third connecting groove, and a first chamfer is arranged at the connection between the upper surface of the protrusion and the side surface of the protrusion; and / or a second chamfer is arranged at the corner of the center pattern block; and / or a third chamfer is arranged at the corner of the crown pattern block; and / or a fourth chamfer is arranged at the edge of the shoulder pattern block; and / or, the multiple longitudinal grooves include a first longitudinal groove and a second longitudinal groove, the second longitudinal groove is located on the side of the first longitudinal groove close to the shoulder pattern portion, and the groove width W1 of the first longitudinal groove and the groove width W2 of the second longitudinal groove satisfy: W2>W1.

[0013] Furthermore, the tire tread structure also includes a pattern group, the length of the pattern group is L, the pattern group includes a first sub-pattern group and a second sub-pattern group and a third sub-pattern group arranged corresponding to the first sub-pattern group, the first sub-pattern group includes two adjacent shoulder pattern blocks and two adjacent third connecting grooves, one of the two adjacent third grooves is located between the two adjacent shoulder pattern blocks; the second sub-pattern group includes a crown pattern block and a first connecting groove adjacent to the crown pattern block; the third sub-pattern group includes two adjacent center pattern blocks and two adjacent second connecting grooves, one of the two adjacent second connecting grooves is located between the two adjacent center pattern blocks; wherein, along the circumferential direction of the tire, there is a preset spacing L1 between the first recess of the second sub-pattern group and the first connecting groove, and the preset spacing L1 satisfies: 0.4L≤L1≤0.6L.

[0014] The present application also provides a tire, which includes the tire tread structure described above.

[0015] The technical solution of the utility model is applied, and the tire tread structure includes a plurality of longitudinal grooves, each of which extends along the circumference of the tire, and the plurality of longitudinal grooves are arranged at intervals along the width direction of the tire to separate the tread into two shoulder pattern portions and an intermediate pattern portion located between the two shoulder pattern portions. At least two longitudinal grooves are arranged on both sides of the center plane S of the tire. The first recess is arranged on the intermediate pattern portion, one end of the first recess extends to the longitudinal groove located on one side of the intermediate pattern portion, and the other end of the first recess has a preset distance from the longitudinal groove located on the other side of the intermediate pattern portion. The extension direction of the first recess is arranged at a first angle A1 with the width direction of the tire, and the first angle A1 satisfies: 0°≤A1<90°. The first sheet structure is arranged between the first recess and the longitudinal groove, one end of the first sheet structure extends into the longitudinal groove, and the other end of the first sheet structure extends into the first recess. In this way, when the tire is running on a slippery road in summer, at least four longitudinal grooves on both sides of the center plane S ensure that the tire has a sufficiently high drainage performance, and the first concave portion can improve the ability of the tire to cut through the water film, thereby largely avoiding the formation of a complete water film between the tire tread and the driving surface, which causes the tire to slip, thereby improving the handling performance of the tire on slippery roads in summer. At the same time, the first sheet structure can increase the friction between the tire and the driving surface while improving the overall rigidity of the main contact part (middle pattern block) between the tire and the driving surface, thereby improving the traction performance of the tire on snowy roads in winter, thereby solving the problem that the tires used for CUV models in the prior art cannot simultaneously meet the vehicle's handling requirements when driving in summer and the traction requirements when driving in winter, thereby improving the user's driving experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 A partial front view of an embodiment of a tire tread structure according to the present utility model is shown;

[0018] Figure 2 Shows Figure 1 A partial enlarged schematic diagram of the tire tread structure;

[0019] Figure 3 Shows Figure 1 A partial enlarged schematic diagram of the tire tread structure;

[0020] Figure 4 Shows Figure 1 A schematic cross-sectional view of a first longitudinal groove of a tire tread structure;

[0021] Figure 5 Shows Figure 1 A schematic cross-sectional view of a second longitudinal groove of a tire tread structure in FIG.

[0022] Figure 6 Shows Figure 1 A schematic cross-sectional view of a first concave portion and a first communicating groove of a tire tread structure in FIG.

[0023] Figure 7 Shows Figure 1 A schematic cross-sectional view of a second connecting groove of a tire tread structure;

[0024] Figure 8 Shows Figure 1 A schematic cross-sectional view of a third connecting groove of a tire tread structure;

[0025] Fig. 9 Shows Figure 1 A partial cross-sectional schematic diagram of a crown pattern block of a tire tread structure;

[0026] Fig.10 Shows Figure 1 A schematic cross-sectional view of a decorative groove of a tire tread structure;

[0027] Fig.11 Shows Figure 1 A schematic cross-sectional view of a raised portion of a tire tread structure;

[0028] Fig.12 Shows Figure 1 A partial cross-sectional schematic diagram of a first sheet structure of a tire tread structure;

[0029] Fig.13 Shows Figure 1 A front view of a second sheet structure of a tire tread structure;

[0030] Fig.14 Shows Figure 1 A partial cross-sectional schematic diagram of a third sheet structure of a tire tread structure;

[0031] Fig.15 Shows Figure 1 A front view of a fourth sheet structure of a tire tread structure;

[0032] Fig.16 Shows Figure 1 A front view of a fifth sheet structure of a tire tread structure.

[0033] The above drawings include the following reference numerals:

[0034] 1. Longitudinal groove; 110. First longitudinal groove; 120. Second longitudinal groove; 2. Shoulder pattern portion; 210. Shoulder pattern block; 3. First recess; 4. First lamellar structure; 5. Center pattern portion; 510. Center pattern block; 6. Crown pattern portion; 610. Crown pattern block; 7. First connecting groove; 8. Second lamellar structure; 9. Second connecting groove; 10. Third lamellar structure; 11. Third connecting groove; 12. Fourth lamellar structure; 13. Fifth lamellar structure; 14. First groove; 15. Second recess; 16. Third recess; 17. Protrusion; 18. First chamfer; 19. Second chamfer; 20. Third chamfer; 21. Fourth chamfer; 22. Pattern group; 221. First sub-pattern group; 222. Second sub-pattern group; 223. Third sub-pattern group; 24. Decorative groove. DETAILED DESCRIPTION

[0035] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0036] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0037] In the present invention, unless otherwise specified, directional words such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above directional words are not used to limit the present invention.

[0038] In order to solve the problem that the tires used for CUV models in the prior art cannot simultaneously meet the vehicle's maneuverability requirements when driving in summer and the traction requirements when driving in winter, the present application provides a tire tread structure and a tire having the same.

[0039] like Figures 1 to 16 As shown, the tire tread structure includes a plurality of longitudinal grooves 1, a first recess 3 and a first sheet structure 4, each longitudinal groove 1 extends along the circumference of the tire, and the plurality of longitudinal grooves 1 are arranged at intervals along the width direction of the tire to separate the tread into two shoulder pattern portions 2 and an intermediate pattern portion located between the two shoulder pattern portions 2; wherein at least two longitudinal grooves 1 are arranged on both sides of the center plane S of the tire. The first recess 3 is arranged on the intermediate pattern portion, one end of the first recess 3 extends to the longitudinal groove 1 located on one side of the intermediate pattern portion, and the other end of the first recess 3 is at a preset distance from the longitudinal groove 1 located on the other side of the intermediate pattern portion, and the extension direction of the first recess 3 is arranged at a first angle A1 with the width direction of the tire, and the first angle A1 satisfies: 0°≤A1<90°. The first sheet structure 4 is arranged between the first recess 3 and the longitudinal groove 1, one end of the first sheet structure 4 extends into the longitudinal groove 1, and the other end of the first sheet structure 4 extends into the first recess 3.

[0040] The technical solution of this embodiment is applied, and the tire tread structure includes a plurality of longitudinal grooves 1, each of which extends along the circumference of the tire, and the plurality of longitudinal grooves 1 are arranged at intervals along the width direction of the tire to separate the tread into two shoulder pattern portions 2 and an intermediate pattern portion located between the two shoulder pattern portions 2. At least two longitudinal grooves 1 are arranged on both sides of the center plane S of the tire. The first recess 3 is arranged on the intermediate pattern portion, one end of the first recess 3 extends to the longitudinal groove 1 located on one side of the intermediate pattern portion, and the other end of the first recess 3 is at a preset distance from the longitudinal groove 1 located on the other side of the intermediate pattern portion. The extension direction of the first recess 3 is arranged at a first angle A1 with the width direction of the tire, and the first angle A1 satisfies: 0°≤A1<90°. The first sheet structure 4 is arranged between the first recess 3 and the longitudinal groove 1, one end of the first sheet structure 4 extends into the longitudinal groove 1, and the other end of the first sheet structure 4 extends into the first recess 3. In this way, when the tire is running on a slippery road in summer, at least four longitudinal grooves 1 located on both sides of the center plane S ensure that the tire has a sufficiently high drainage performance, and the first concave portion 3 can improve the ability of the tire to cut through the water film, thereby largely avoiding the formation of a complete water film between the tire tread and the driving surface, which causes the tire to slip, thereby improving the handling performance of the tire on a slippery road in summer. At the same time, the first sheet structure 4 can increase the friction between the tire and the driving surface while improving the overall rigidity of the main contact part (middle pattern block) between the tire and the driving surface, thereby improving the traction performance of the tire on snowy roads in winter, thereby solving the problem that the tires used for CUV models in the prior art cannot simultaneously meet the vehicle's handling requirements when driving in summer and the traction requirements when driving in winter, thereby improving the user's driving experience.

[0041] In this embodiment, there are four longitudinal grooves 1 , which are arranged at intervals along the width direction of the tire to divide the tread into two shoulder pattern portions 2 and three middle pattern portions between the two shoulder pattern portions 2 .

[0042] It should be noted that the number of the longitudinal grooves 1 is not limited thereto, and can be adjusted according to working conditions and usage requirements. Optionally, the number of the longitudinal grooves 1 is five, six, seven, eight, or more.

[0043] In this embodiment, the extension direction of the first recessed portion 3 needs to form an acute angle with the width direction of the tire, that is, the first angle A1 is an acute angle, and there is no limitation on the specific value of the first angle A1.

[0044] In this embodiment, the first recess 3 is actually a semi-closed groove. When the tire is running on a normal road surface, the semi-closed groove can reduce the resonance phenomenon, that is, after the sound wave is transmitted into the semi-closed groove, it will be continuously reflected and re-reflected by the semi-closed groove into the longitudinal groove 1, thereby reducing the driving noise of the tire and improving the driving comfort of the staff.

[0045] In this embodiment, the first recess 3 includes a first sub-recess and a second sub-recess that are interconnected. The second sub-recess is disposed close to the first sheet structure 4. The width of the second sub-recess gradually increases along the direction from the first sub-recess to the second sub-recess.

[0046] Optionally, there are multiple intermediate pattern portions, and the multiple intermediate pattern portions include a central pattern portion 5 and a crown pattern portion 6, and at least part of the central pattern portion 5 coincides with the center plane S. The crown pattern portion 6 is located between the central pattern portion 5 and the shoulder pattern portion 2. The tire tread structure further includes a first connecting groove 7, which is arranged on the crown pattern portion 6 to connect the longitudinal grooves 1 located on both sides of the crown pattern portion 6, and the extension direction of the first connecting groove 7 is arranged at a second angle A2 with the width direction of the tire, and the second angle A2 satisfies: 0°≤A2<90°. There are multiple first connecting grooves 7, and the multiple first connecting grooves 7 are arranged at intervals along the circumferential direction of the tire to separate the crown pattern portion 6 into multiple crown pattern blocks 610, and at least one crown pattern block 610 is provided with a first recess 3 and a first sheet structure 4. In this way, the first connecting groove 7 arranged on the crown pattern portion 6 can connect the longitudinal grooves 1 located on both sides of the crown pattern portion 6 to achieve drainage between the two longitudinal grooves 1, thereby improving the drainage performance of the tire. At the same time, the arrangement of multiple first connecting grooves 7 can further improve the drainage capacity between the longitudinal grooves 1. At the same time, the above arrangement enables the first concave portion 3 and the first sheet-like structure 4 to be arranged on the crown pattern portion 6 to further adapt to the contact state between the tread and the ground when the tire rolls, thereby improving the water film cutting ability and noise reduction ability of the first concave portion 3 and the traction improvement ability of the first sheet-like structure 4.

[0047] In this embodiment, each crown pattern block 610 is provided with a first recessed portion 3 and a first sheet-like structure 4 .

[0048] In this embodiment, the extension direction of the first connecting groove 7 is set at an acute angle with the width direction of the tire, that is, the second angle A2 is an acute angle, and the specific value of the second angle A2 is not limited. In this way, the above-mentioned setting of the first connecting groove 7 makes the sound wave collide with the groove wall of the first connecting groove 7 during the transmission process and produce irregular reflection, so as to avoid resonance, reduce the running noise of the tire, and improve the driving comfort of the user.

[0049] Optionally, the tire tread structure further includes a second sheet structure 8 disposed in the crown pattern block 610, and the two ends of the second sheet structure 8 extend into the longitudinal grooves 1 located on both sides of the crown pattern block 610, respectively. There are multiple second sheet structures 8, and the multiple second sheet structures 8 are spaced along the circumference of the tire, and the first sheet structure 4 and the first recess 3 are disposed between two adjacent second sheet structures 8. In this way, the second sheet structure 8 can further improve the overall rigidity of the crown pattern block 610 and the friction between the tire tread and the ground, thereby improving the handling performance and traction performance of the tire. At the same time, the first recess 3 and the first sheet structure 4 disposed between two adjacent second sheet structures 8 can be independent of the second sheet structure 8 to ensure the stable performance of their respective functions.

[0050] In this embodiment, four second sheet-like structures 8 are arranged on the crown pattern block 610 , and a first recessed portion 3 and a first sheet-like structure 4 are arranged between two adjacent second sheet-like structures 8 in the middle.

[0051] It should be noted that the number of the second sheet structures 8 is not limited thereto, and can be adjusted according to working conditions and usage requirements. Optionally, the number of the second sheet structures 8 is two, three, five, six, or seven.

[0052] In this embodiment, three decorative grooves 24 are further provided on the crown pattern block 610 , one decorative groove 24 is located between the first recess 3 and the first sheet structure 4 , and the ends of the other two decorative grooves 24 extend to the first connecting grooves 7 located on both sides of the crown pattern block 610 .

[0053] Optionally, the tire tread structure further includes a second connecting groove 9, which is arranged on the central pattern portion 5, and is used to connect the longitudinal grooves 1 located on both sides of the central pattern portion 5. The extension direction of the second connecting groove 9 is arranged at a third angle A3 with the width direction of the tire, and the third angle A3 satisfies: 0°≤A3<90°. There are multiple second connecting grooves 9, and the multiple second connecting grooves 9 are arranged at intervals along the circumference of the tire to separate the central pattern portion 5 into multiple central pattern blocks 510; and / or, along the circumference of the tire, the end of the second connecting groove 9 close to the crown pattern portion 6 is staggered with the end of the first connecting groove 7 close to the central pattern portion 5. In this way, the second connecting groove 9 arranged on the central pattern portion 5 can connect the longitudinal grooves 1 located on both sides of the central pattern portion 5 to achieve drainage between the two longitudinal grooves 1, thereby improving the drainage performance of the tire. At the same time, the arrangement of multiple second connecting grooves 9 can further improve the drainage capacity between the longitudinal grooves 1. At the same time, since the end of the second connecting groove 9 close to the crown pattern portion 6 is staggered with the end of the first connecting groove 7 close to the center pattern portion 5, the number of reflections during sound wave transmission can be further increased, thereby avoiding resonance and reducing the driving noise of the tire.

[0054] In this embodiment, the extension direction of the second connecting groove 9 is set at an acute angle with the width direction of the tire, that is, the third angle A3 is an acute angle, and the specific value of the third angle A3 is not limited. In this way, the above-mentioned setting of the second connecting groove 9 requires the sound wave to collide with the groove wall of the second connecting groove 9 during the transmission process and generate irregular reflection, so as to avoid resonance, reduce the running noise of the tire, and improve the driving comfort of the user.

[0055] Optionally, the tire tread structure further includes a third sheet structure 10, which is arranged in the central pattern block 510, one end of the third sheet structure 10 extends into the longitudinal groove 1 located on one side of the central pattern block 510, and the other end of the third sheet structure 10 is at a preset distance from the longitudinal groove 1 located on the other side of the central pattern block 510. There are multiple third sheet structures 10, and the multiple third sheet structures 10 are arranged at intervals along the circumference of the tire. In two adjacent third sheet structures 10, each third sheet structure 10 extends into a different longitudinal groove 1. In this way, the above arrangement improves the overall rigidity of the central pattern block 510 through the third sheet structure 10 on the one hand; on the other hand, it can improve the friction between the tire tread and the driving surface, thereby improving the handling performance and traction performance of the tire. At the same time, the above arrangement of the two adjacent third sheet structures 10 can improve the uniformity of the rigidity improvement of the central pattern block 510 by the third sheet structure 10 while avoiding the third sheet structure 10 from penetrating the central pattern block 510.

[0056] Optionally, the tire tread structure further includes a third connecting groove 11, which is arranged on the shoulder pattern portion 2, one end of the third connecting groove 11 extends to the longitudinal groove 1, and the other end of the third connecting groove 11 extends to the shoulder of the tire. The extension direction of the third connecting groove 11 is arranged at a fourth angle A4 with the width direction of the tire, and the fourth angle A4 satisfies: 0°≤A4<90°. There are multiple third connecting grooves 11, and the multiple third connecting grooves 11 are arranged at intervals along the circumference of the tire to separate the shoulder pattern portion 2 into multiple shoulder pattern blocks 210; wherein, in the direction from the center plane S to the shoulder of the tire, the width of at least part of the third connecting grooves 11 gradually increases; and / or, along the circumference of the tire, one end of the third connecting groove 11 close to the crown pattern portion 6 is staggered with one end of the first connecting groove 7 close to the shoulder pattern portion 2. In this way, the third connecting groove 11 provided on the shoulder pattern portion 2 can connect the longitudinal grooves 1 located on both sides of the shoulder pattern portion 2 to achieve drainage between the two longitudinal grooves 1, thereby improving the drainage performance of the tire. At the same time, the provision of multiple third connecting grooves 1 can further improve the drainage capacity between the longitudinal grooves 1. At the same time, since the end of the third connecting groove 11 close to the crown pattern portion 6 is staggered with the end of the first connecting groove 7 close to the shoulder pattern portion 2, the number of reflections during the transmission of sound waves can be further increased, thereby avoiding resonance and reducing the driving noise of the tire.

[0057] In this embodiment, the extension direction of the third connecting groove 11 is set at an acute angle with the width direction of the tire, that is, the fourth angle A4 is an acute angle, and the specific value of the fourth angle A4 is not limited. In this way, the above-mentioned setting of the third connecting groove 11 makes the sound wave collide with the groove wall of the third connecting groove 11 during the transmission process and produce irregular reflection, so as to avoid resonance, reduce the running noise of the tire, and improve the driving comfort of the user.

[0058] In this embodiment, the width of at least part of the third communication groove 11 gradually increases in the direction from the center plane S to the shoulder of the tire. In this way, since the end of the third communication groove 11 away from the center plane S is connected to the outside, the water in the third communication groove 11 can be discharged to the outside more quickly, further improving the drainage capacity of the tire.

[0059] Specifically, drainage grooves are actually formed between the first connecting groove 7, the second connecting groove 9 and the third connecting groove 11 in the direction from the center plane S to the shoulder, so as to ensure that water in the tire tread can be discharged to the outside.

[0060] Specifically, the end of the first concave portion 3 connected to the longitudinal groove 1 and the third connecting groove 11 are also staggered, and any two ends close to each other in the first connecting groove 7, the first concave portion 3, the second connecting groove 9 and the third connecting groove 11 are staggered. In this way, during the reflection and transmission process, the sound wave must first be reflected into the longitudinal groove 1, and after being continuously reflected in the longitudinal groove 1, it can be reflected into the next connecting groove, thereby avoiding the resonance phenomenon to the greatest extent and reducing the driving noise of the tire.

[0061] Optionally, the tire tread structure further includes a fourth sheet-like structure 12, a fifth sheet-like structure 13, a first groove 14, a second recess 15 and a third recess 16, and the fourth sheet-like structure 12 is arranged in the shoulder pattern block 210. The fifth sheet-like structure 13 is arranged in the shoulder pattern block 210, and along the circumferential direction of the tire, the fifth sheet-like structure 13 is located on one side of the fourth sheet-like structure 12, and one end of the fifth sheet-like structure 13 extends into the longitudinal groove 1. The first groove 14 is arranged between the fourth sheet structure 12 and the fifth sheet structure 13, one end of the fourth sheet structure 12 extends into the first groove 14, the other end of the fourth sheet structure 12 is at a preset distance from the longitudinal groove 1, and one end of the fifth sheet structure 13 away from the longitudinal groove 1 extends into the first groove 14; and / or; the second recess 15 is arranged between the fourth sheet structure 12 and the longitudinal groove 1, one end of the second recess 15 extends to the longitudinal groove 1; and / or, the third recess 16 is arranged on the shoulder pattern block 210, and the third recess 16 is located on the side of the first groove 14 away from the longitudinal groove 1. The above arrangement of the fourth sheet structure 12, the fifth sheet structure 13, the first groove 14, the second recess 15 and the third recess 16 on the shoulder pattern block 210 can improve the tire's ability to cut water film and friction while improving the rigidity of the shoulder pattern block 210, so as to ensure that the tire has high handling performance and traction performance to the greatest extent. At the same time, the above arrangement also makes the tire tread structure more beautiful.

[0062] Optionally, the tire tread structure further includes a protrusion 17, which is arranged in the third connecting groove 11, and a first chamfer 18 is arranged at the connection between the upper surface of the protrusion 17 and the side surface of the protrusion 17; and / or a second chamfer 19 is arranged at the corner of the center pattern block 510; and / or a third chamfer 20 is arranged at the corner of the crown pattern block 610; and / or a fourth chamfer 21 is arranged at the edge of the shoulder pattern block 210; and / or the plurality of longitudinal grooves 1 include a first longitudinal groove 110 and a second longitudinal groove 120, the second longitudinal groove 120 is located on a side of the first longitudinal groove 110 close to the shoulder pattern portion 2, and the groove width W1 of the first longitudinal groove 110 and the groove width W2 of the second longitudinal groove 120 satisfy: W2>W1. In this way, the above-mentioned arrangement of the protrusion 17 can collide with the sound waves in the third connecting groove 11 to reduce the driving noise of the tire. At the same time, the second chamfer 19 and the third chamfer 20 can improve the rigidity of each pattern block to improve the overall braking performance of the tire. At the same time, the fourth chamfer 21 can increase the contact area of ​​the shoulder pattern block 210 and improve its rigidity, which helps to improve the handling performance of the tire and reduce the irregular wear of the shoulder pattern block 210, thereby extending the service life of the tire.

[0063] In this embodiment, the protrusion 17 is actually a silent rib.

[0064] In this embodiment, the second chamfer 19 is disposed at the sharp corner of the central tread block 510 .

[0065] In this embodiment, the third chamfer 20 is disposed at the sharp corner of the crown pattern block 610 .

[0066] In this embodiment, the fourth chamfer 21 is a bevel chamfer.

[0067] Optionally, the tire tread structure further includes a pattern group 22, the length of the pattern group 22 is L, the pattern group 22 includes a first sub-pattern group 221, a second sub-pattern group 222 and a third sub-pattern group 223 arranged corresponding to the first sub-pattern group 221, the first sub-pattern group 221 includes two adjacent shoulder pattern blocks 210 and two adjacent third connecting grooves 11, and one of the two adjacent third grooves is located between the two adjacent shoulder pattern blocks 210. The second sub-pattern group 222 includes a crown pattern block 610 and a first connecting groove 7 adjacent to the crown pattern block 610. The third sub-pattern group 223 includes two adjacent center pattern blocks 510 and two adjacent second connecting grooves 9, and one of the two adjacent second connecting grooves 9 is located between the two adjacent center pattern blocks 510. Among them, along the circumferential direction of the tire, there is a preset spacing L1 between the first concave portion 3 and the first connecting groove 7 of the second sub-pattern group 222, and the preset spacing L1 satisfies: 0.4L≤L1≤0.6L. In this way, the above arrangement makes the patterns on the tire tread structure distributed in groups, so that there is a certain pitch ratio between the pattern groups of the tire pattern structure, thereby reducing the driving noise of the tire. At the same time, the above arrangement makes the pattern group of a single pitch include two small pitch pattern groups, further improving the silent driving performance of the tire.

[0068] In this embodiment, L1=0.5L, that is, a single-pitch pattern group includes two small-pitch pattern groups with equal pitches.

[0069] In this embodiment, the widths of two adjacent third connecting grooves 11 in the same pattern group are equal.

[0070] In this embodiment, three pattern groups with different pitches are actually arranged on the tire tread structure. The three pattern groups with different pitches are simulated by simulation software to obtain the optimal irregular arrangement, so as to minimize the noise spectrum peak during the tire driving process, thereby improving the user's driving experience.

[0071] like Figure 2 The figure shows a half pattern structure of a pattern group in this embodiment. A whole pattern group can be obtained by rotating the center of the half pattern structure by 180°.

[0072] like Figure 4 As shown, a fifth chamfer is provided at the connection between the groove wall and the groove bottom of the first longitudinal groove 110 , and a fifth angle A5 is formed between the groove wall of the first longitudinal groove 110 and the normal line of the first longitudinal groove 110 .

[0073] like Figure 5 As shown, a sixth chamfer is provided at the connection between the groove wall and the groove bottom of the second longitudinal groove 120 , and a sixth angle A6 is formed between the groove wall of the second longitudinal groove 120 and the normal line of the second longitudinal groove 120 .

[0074] like Figure 6 As shown, the cross-sectional shapes of the first recess 3 and the first connecting groove 7 are consistent, the groove bottom is arc-shaped, and the groove wall forms a seventh angle A7 with the normal line.

[0075] like Figure 7 As shown, the bottom of the second connecting groove 9 is arc-shaped, and the groove wall forms an eighth angle A8 with the normal line.

[0076] like Figure 8 As shown, a seventh chamfer is provided at the connection between the groove wall and the groove bottom of the third connecting groove 11, and a ninth angle A9 is formed between the groove wall and the normal line.

[0077] like Fig. 9 As shown, a third chamfer 20 is provided on the crown pattern block 610 .

[0078] like Fig.10 As shown, the groove bottom of the decorative groove 24 is arranged in an arc shape, the groove wall on one side is arranged at a tenth angle A10 with the normal line, and the groove wall on the other side is arranged at an eleventh angle A11 with the normal line.

[0079] like Fig.11 As shown, the protrusion 17 is arranged in the third connecting groove 11, and a first chamfer 18 is arranged at the connection between the upper surface and the side surface thereof.

[0080] like Fig.12 As shown, two ends of the first sheet structure 4 extend into the first recess 3 and the first longitudinal groove 110 respectively.

[0081] like Fig.13 As shown, the main body of the second sheet structure 8 is rectangular, and two arc-shaped protrusions are arranged at the lower end thereof.

[0082] like Fig.14 As shown, the main body of the third sheet-like structure 10 is rectangular, and an arc-shaped protrusion is provided at the lower end thereof. One end of the third sheet-like structure 10 extends into the first longitudinal groove 110 .

[0083] like Fig.15 As shown, the fourth sheet structure 12 is an arc-shaped structure adapted to the shape of the tire shoulder, and a notch is provided at its lower end.

[0084] like Fig.16 As shown, the fifth sheet structure 13 is an arc-shaped structure adapted to the shape of the tire shoulder, and two arc-shaped protrusions are provided at its lower end.

[0085] The present application also provides a tire (not shown), which includes the tire tread structure described above.

[0086] From the above description, it can be seen that the above embodiments of the utility model achieve the following technical effects:

[0087] The tire tread structure includes a plurality of longitudinal grooves, each of which extends along the circumference of the tire, and the plurality of longitudinal grooves are arranged at intervals along the width direction of the tire to separate the tread into two shoulder pattern portions and an intermediate pattern portion located between the two shoulder pattern portions. At least two longitudinal grooves are arranged on both sides of the center plane S of the tire. A first recess is arranged on the intermediate pattern portion, one end of the first recess extends to the longitudinal groove located on one side of the intermediate pattern portion, and the other end of the first recess has a preset distance from the longitudinal groove located on the other side of the intermediate pattern portion. The extension direction of the first recess is arranged at a first angle A1 with the width direction of the tire, and the first angle A1 satisfies: 0°≤A1<90°. A first sheet structure is arranged between the first recess and the longitudinal groove, one end of the first sheet structure extends into the longitudinal groove, and the other end of the first sheet structure extends into the first recess. In this way, when the tire is running on a slippery road in summer, at least four longitudinal grooves on both sides of the center plane S ensure that the tire has a sufficiently high drainage performance, and the first concave portion can improve the ability of the tire to cut through the water film, thereby largely avoiding the formation of a complete water film between the tire tread and the driving surface, which causes the tire to slip, thereby improving the handling performance of the tire on slippery roads in summer. At the same time, the first sheet structure can increase the friction between the tire and the driving surface while improving the overall rigidity of the main contact part (middle pattern block) between the tire and the driving surface, thereby improving the traction performance of the tire on snowy roads in winter, thereby solving the problem that the tires used for CUV models in the prior art cannot simultaneously meet the vehicle's handling requirements when driving in summer and the traction requirements when driving in winter, thereby improving the user's driving experience.

[0088] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0089] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0090] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0091] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A tire tread structure, characterized in that: include: A plurality of longitudinal grooves (1), each of the longitudinal grooves (1) extending along the circumference of the tire, and the plurality of longitudinal grooves (1) being arranged at intervals along the width direction of the tire so as to separate the tread into two shoulder pattern portions (2) and an intermediate pattern portion located between the two shoulder pattern portions (2); wherein at least two longitudinal grooves (1) are arranged on both sides of a center plane S of the tire; A first recess (3) is arranged on the middle tread portion, one end of the first recess (3) extends to the longitudinal groove (1) located on one side of the middle tread portion, the other end of the first recess (3) is at a preset distance from the longitudinal groove (1) located on the other side of the middle tread portion, the extension direction of the first recess (3) forms a first angle A1 with the width direction of the tire, and the first angle A1 satisfies: 0°≤A1<90°; The first sheet-like structure (4) is arranged between the first recess (3) and the longitudinal groove (1), one end of the first sheet-like structure (4) extends into the longitudinal groove (1), and the other end of the first sheet-like structure (4) extends into the first recess (3).

2. The tire tread structure according to claim 1, characterized in that: There are multiple intermediate pattern parts, and the multiple intermediate pattern parts include: A central tread portion (5), at least a portion of the central tread portion (5) coincides with the central plane S; A crown pattern portion (6) located between the center pattern portion (5) and the shoulder pattern portion (2); The tire tread structure further comprises a first connecting groove (7), the first connecting groove (7) being arranged on the crown pattern portion (6) for connecting the longitudinal grooves (1) located on both sides of the crown pattern portion (6), the extension direction of the first connecting groove (7) being arranged at a second angle A2 with the width direction of the tire, and the second angle A2 satisfies: 0°≤A2<90°; There are a plurality of the first connecting grooves (7), and the plurality of the first connecting grooves (7) are arranged at intervals along the circumference of the tire to separate the crown pattern portion (6) into a plurality of crown pattern blocks (610), and at least one of the crown pattern blocks (610) is provided with the first recess (3) and the first sheet-like structure (4).

3. The tire tread structure according to claim 2, characterized in that: The tire tread structure further comprises a second sheet-like structure (8) arranged in the crown pattern block (610), and two ends of the second sheet-like structure (8) respectively extend into the longitudinal grooves (1) located on both sides of the crown pattern block (610); There are a plurality of second sheet-like structures (8), and the plurality of second sheet-like structures (8) are arranged at intervals along the circumference of the tire, and the first sheet-like structure (4) and the first recess (3) are arranged between two adjacent second sheet-like structures (8).

4. The tire tread structure according to claim 2, characterized in that: The tire tread structure further comprises: A second connecting groove (9) is arranged on the central tread portion (5), the second connecting groove (9) is used to connect the longitudinal grooves (1) located on both sides of the central tread portion (5), and the extension direction of the second connecting groove (9) forms a third angle A3 with the width direction of the tire, and the third angle A3 satisfies: 0°≤A3<90°; There are a plurality of second connecting grooves (9), and the plurality of second connecting grooves (9) are arranged at intervals along the circumferential direction of the tire to divide the central tread portion (5) into a plurality of central tread blocks (510); and / or, Along the circumferential direction of the tire, one end of the second connecting groove (9) close to the crown pattern portion (6) is staggered with one end of the first connecting groove (7) close to the center pattern portion (5).

5. The tire tread structure according to claim 4, characterized in that: The tire tread structure further comprises: A third sheet-like structure (10) is arranged in the central tread block (510), one end of the third sheet-like structure (10) extends into the longitudinal groove (1) located on one side of the central tread block (510), and a preset distance is formed between the other end of the third sheet-like structure (10) and the longitudinal groove (1) located on the other side of the central tread block (510); There are a plurality of third sheet structures (10), and the plurality of third sheet structures (10) are arranged at intervals along the circumference of the tire. In two adjacent third sheet structures (10), each of the third sheet structures (10) extends into a different longitudinal groove (1).

6. The tire tread structure according to claim 5, characterized in that: The tire tread structure further comprises: A third connecting groove (11) is arranged on the shoulder pattern portion (2), one end of the third connecting groove (11) extends to the longitudinal groove (1), the other end of the third connecting groove (11) extends to the shoulder of the tire, and the extension direction of the third connecting groove (11) forms a fourth angle A4 with the width direction of the tire, and the fourth angle A4 satisfies: 0°≤A4<90°; There are a plurality of the third connecting grooves (11), and the plurality of the third connecting grooves (11) are arranged at intervals along the circumferential direction of the tire to separate the shoulder pattern portion (2) into a plurality of shoulder pattern blocks (210); Wherein, in the direction from the center plane S to the shoulder of the tire, the width of at least part of the third connecting groove (11) gradually increases; and / or, Along the circumferential direction of the tire, one end of the third connecting groove (11) close to the crown pattern portion (6) is staggered with one end of the first connecting groove (7) close to the shoulder pattern portion (2).

7. The tire tread structure according to claim 6, characterized in that: The tire tread structure further comprises: a fourth sheet-like structure (12) disposed in the shoulder tread block (210); a fifth sheet-like structure (13), arranged in the shoulder tread block (210), and along the circumferential direction of the tire, the fifth sheet-like structure (13) is located on one side of the fourth sheet-like structure (12), and one end of the fifth sheet-like structure (13) extends into the longitudinal groove (1); a first groove (14) arranged between the fourth sheet-like structure (12) and the fifth sheet-like structure (13), one end of the fourth sheet-like structure (12) extending into the first groove (14), the other end of the fourth sheet-like structure (12) being at a preset distance from the longitudinal groove (1), and one end of the fifth sheet-like structure (13) away from the longitudinal groove (1) extending into the first groove (14); and / or, a second recess (15) disposed between the fourth sheet-like structure (12) and the longitudinal groove (1), one end of the second recess (15) extending to the longitudinal groove (1); and / or, A third recess (16) is arranged on the shoulder pattern block (210), and the third recess (16) is located on a side of the first groove (14) away from the longitudinal groove (1).

8. The tire tread structure according to claim 6, characterized in that: The tire tread structure further comprises a protrusion (17) arranged in the third connecting groove (11), and a first chamfer (18) is arranged at a connection between an upper surface of the protrusion (17) and a side surface of the protrusion (17); and / or The corners of the central pattern block (510) are provided with second chamfers (19); and / or, The corners of the crown pattern block (610) are provided with a third chamfer (20); and / or, The edge of the shoulder pattern block (210) is provided with a fourth chamfer (21); and / or, The plurality of longitudinal grooves (1) include a first longitudinal groove (110) and a second longitudinal groove (120), wherein the second longitudinal groove (120) is located on a side of the first longitudinal groove (110) close to the shoulder pattern portion (2), and a groove width W1 of the first longitudinal groove (110) and a groove width W2 of the second longitudinal groove (120) satisfy: W2>W1.

9. The tire tread structure according to claim 6, characterized in that: The tire tread structure further comprises a pattern group (22), the length of the pattern group (22) is L, and the pattern group (22) comprises a first sub-pattern group (221), a second sub-pattern group (222) and a third sub-pattern group (223) arranged corresponding to the first sub-pattern group (221); The first sub-pattern group (221) comprises two adjacent shoulder pattern blocks (210) and two adjacent third connecting grooves (11), wherein one of the two adjacent third grooves is located between the two adjacent shoulder pattern blocks (210); The second sub-pattern group (222) comprises a crown pattern block (610) and a first connecting groove (7) adjacent to the crown pattern block (610); The third sub-pattern group (223) comprises two adjacent central pattern blocks (510) and two adjacent second connecting grooves (9), wherein one of the two adjacent second connecting grooves (9) is located between the two adjacent central pattern blocks (510); Wherein, along the circumferential direction of the tire, there is a preset spacing L1 between the first recess (3) and the first connecting groove (7) of the second sub-pattern group (222), and the preset spacing L1 satisfies: 0.4L≤L1≤0.6L.

10. A tire, characterized in that: The tire comprises the tire tread structure according to any one of claims 1 to 9.

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